202102121121112 has 16 divisors (see below), whose sum is σ = 378941999478840. Its totient is φ = 101050921260096.

The previous prime is 202102121121067. The next prime is 202102121121127. The reversal of 202102121121112 is 211121121201202.

It is a happy number.

202102121121112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 202102121121112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11112418 + ... + 22971505.

Almost surely, 2^{202102121121112} is an apocalyptic number.

It is an amenable number.

202102121121112 is a deficient number, since it is larger than the sum of its proper divisors (176839878357728).

202102121121112 is a wasteful number, since it uses less digits than its factorization.

202102121121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34825122 (or 34825118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 202102121121112 its reverse (211121121201202), we get a palindrome (413223242322314).

The spelling of 202102121121112 in words is "two hundred two trillion, one hundred two billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred twelve".